William recorded data to determine the relationship between the time usage, x, and the percentage of charge left on his mobile p

Question

4 years ago

14

William recorded data to determine the relationship between the time usage, x, and the percentage of charge left on his mobile p

hone, y. He graphed the data and drew the line of best fit. The equation of the line of best fit is y = -10x + 100. About how many hours will it take for the phone lose its charge completely?

Mathematics

1 answer:

beks73 [17] · Answer 1 · 2022-01-27T12:19:44+03:00

beks73 [17]4 years ago

7 0

The answer is 10 hours.

Hope I helped.